diff options
Diffstat (limited to 'manuals/dc/H.1')
| -rw-r--r-- | manuals/dc/H.1 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/manuals/dc/H.1 b/manuals/dc/H.1 index 78f0f55603aa..9eabf89b6f07 100644 --- a/manuals/dc/H.1 +++ b/manuals/dc/H.1 @@ -1,7 +1,7 @@ .\" .\" SPDX-License-Identifier: BSD-2-Clause .\" -.\" Copyright (c) 2018-2020 Gavin D. Howard and contributors. +.\" Copyright (c) 2018-2021 Gavin D. Howard and contributors. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions are met: @@ -25,7 +25,7 @@ .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE .\" POSSIBILITY OF SUCH DAMAGE. .\" -.TH "DC" "1" "October 2020" "Gavin D. Howard" "General Commands Manual" +.TH "DC" "1" "January 2021" "Gavin D. Howard" "General Commands Manual" .SH Name .PP dc - arbitrary-precision decimal reverse-Polish notation calculator @@ -233,8 +233,12 @@ queried with the \f[B]W\f[R] command. generator with the \f[B]\[cq]\f[R] and \f[B]\[dq]\f[R] commands are guaranteed to \f[B]NOT\f[R] be cryptographically secure. This is a consequence of using a seeded pseudo-random number generator. -However, they \f[B]are\f[R] guaranteed to be reproducible with identical +However, they \f[I]are\f[R] guaranteed to be reproducible with identical \f[B]seed\f[R] values. +This means that the pseudo-random values from bc(1) should only be used +where a reproducible stream of pseudo-random numbers is +\f[I]ESSENTIAL\f[R]. +In any other case, use a non-seeded pseudo-random number generator. .PP The pseudo-random number generator, \f[B]seed\f[R], and all associated operations are \f[B]non-portable extensions\f[R]. |